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Properties of Addition
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High score: 0
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| 1. |
9 + 3 =
+ 9
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order property of addition
grouping property of addition
zero property of addition
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| 2. |
0 + 25 =
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order property of addition
grouping property of addition
zero property of addition
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| 3. |
(8 + 12) + 6 =
8 + (12 +
)
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order property of addition
grouping property of addition
zero property of addition
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